Western Digital My Passport Essential 160GB Blue. Hard drive capacity: 160 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 2.0. Colour of product: Blue. Weight: 104.8 g, Width: 126.15 mm, Depth: 79.5 mm. Operating temperature range (T-T): 5 - 40 °C, Storage temperature range (T-T): -20 - 65 °C. Data transfer rate (max): 480 Mbit/s, Packaging height: 76.2 mm, Packaging length: 155.6 mm